CN217166639U

CN217166639U - Drilling reamer for deep hole machining

Info

Publication number: CN217166639U
Application number: CN202220194543.1U
Authority: CN
Inventors: 连小龙; 陈琰冰; 伍正华
Original assignee: Guangdong Zhenshuo Cnc Tools Co ltd
Current assignee: Guangdong Zhenshuo Cnc Tools Co ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-08-12
Anticipated expiration: 2032-01-24

Abstract

The utility model relates to the field of machining, specifically be a drilling reamer for BTA, including first rod cover, the below of first rod cover is provided with the second rod cover, the angle such as surface of blade holder installs the finish reamer, and the bottom of blade holder installs the drill bit, the spread groove has been seted up to the inside one end of first rod cover and second rod cover, and equidistant locating hole of having seted up in first rod cover and second rod cover one side, sliding connection has the connecting rod between the inside of spread groove, and the constant head tank has been seted up to one side of the inside top of connecting rod and bottom, positioning spring is installed to the inside one side of constant head tank, and installs the locating piece with locating hole matched with on one side of positioning spring. This drilling reamer is used in BTA slides to suitable distance through the connecting rod, realizes adjusting the distance between first rod cover and the second rod cover, satisfies the different degree of depth processing operation, improves its practicality, avoids the fixed limitation that brings of length to the problem of the length adjustment of being not convenient for has been solved.

Description

Drilling reamer for deep hole machining

Technical Field

The utility model relates to the technical field of machining, specifically be a drilling reamer is used in BTA.

Background

With the continuous development of science and technology in China, the machining industry is also greatly developed, and the drilling reamer is a rotary cutter which is provided with one or more cutter teeth and used for cutting off a thin metal layer on a machined surface, and is widely used in the field of machining.

In the in-service use process, the cutter arbor length of drilling reamer is generally fixed, and then when making the hole of the different degree of depth of drilling reamer, need frequently change, lead to processing comparatively loaded down with trivial details, influence machining's work efficiency greatly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drilling reamer is used in BTA, possesses advantages such as length adjustment of being convenient for, has solved the problem of the length adjustment of not being convenient for of general drilling reamer.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drilling reamer for deep hole processing, includes first rod cover, the below of first rod cover is provided with the second rod cover, and the bottom of second rod cover is provided with the blade holder, the angle such as surface of blade holder is installed the finish reamer, and the drill bit is installed to the bottom of blade holder, the inside mounting structure that is provided with of second rod cover on blade holder top.

The connecting groove has been seted up to the inside one end of first rod cover and second rod cover, and first rod cover and second rod cover one side equidistant locating hole of having seted up, sliding connection has the connecting rod between the inside of connecting groove, and the constant head tank has been seted up to the inside top of connecting rod and one side of bottom, positioning spring is installed to the inside one side of constant head tank, and positioning spring installs the locating piece with locating hole matched with on one side.

Further, the connecting rod is I-shaped, and a sliding structure is formed between the top end and the bottom end of the connecting rod and the inside of the connecting groove.

Further, mounting structure includes the thread groove, the thread groove is seted up in the intermediate position department of the inside bottom of second rod cover, and the inside mounting groove of having seted up of second rod cover of thread groove one side, the inside of mounting groove is provided with the installation pole, and just one side winding on installation pole surface has the installation spring, the kelly is installed to the one end of installation pole, the screw seat with thread groove matched with is installed on the blade holder top, and the top of the inside one side of screw seat seted up with card hole matched with kelly.

Further, the length of the clamping rod is smaller than the depth of the inside of the mounting groove, and a clamping structure is formed between the clamping rod and the inside of the clamping hole.

Furthermore, the tool apron forms a threaded connection structure through the threaded seat and the inside of the threaded groove, and the top end of the tool apron is fixedly connected with the bottom end of the threaded seat.

Furthermore, the number of the finish reamers is five, and the finish reamers are spirally distributed on the surface of the cutter holder.

Furthermore, the drill bit is in a twist shape, and the top end of the drill bit and the bottom end of the tool apron are in a welding integrated structure.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this drilling reamer is used in BTA, through being provided with first rod cover, the connecting rod, second rod cover and spread groove, through pressing down the locating piece to breaking away from the locating hole completely, later spur first rod cover or second rod cover, make it with connecting rod relative slip to suitable position after, the elasticity of rethread positioning spring, make the locating piece pop out and block inside to corresponding locating hole, realize realizing the spacing fixed after the connecting rod slides, be convenient for adjust the distance between first rod cover and the second rod cover, satisfy different degree of depth processing operation, improve its practicality, avoid the fixed limitation that brings of length, thereby the problem of the length adjustment of being not convenient for has been solved.

2. This drilling reamer is used in BTA, through being provided with the screw thread seat, the thread groove, card hole and kelly, install the pole through the pulling, make the kelly remove to breaking away from completely the card hole, later rotate the blade holder, make its screw thread seat break away from completely with the thread groove can, and during the installation, utilize the screw-thread fit of screw thread seat and thread groove, realize the stable installation of blade holder, later under the spring action of installation spring, make the kelly remove the card to the downthehole portion of card, avoid in the use, the screw thread that takes place is not hard up with the thread groove accident, and then be convenient for dismantle the installation fast to the blade holder, avoid local damage to lead to the unable limitation of whole drilling reamer, thereby the inconvenient problem of tool bit change has been solved.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the connecting rod of the present invention;

FIG. 3 is a schematic view of a top view of the knife holder of the present invention;

FIG. 4 is a schematic view of a partially enlarged structure of the mounting structure of the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a first rod sleeve; 2. a connecting rod; 3. a second rod sleeve; 4. a mounting structure; 401. a threaded seat; 402. a thread groove; 403. a clamping hole; 404. mounting grooves; 405. mounting a rod; 406. installing a spring; 407. a clamping rod; 5. a finish reamer; 6. a drill bit; 7. a tool apron; 8. positioning holes; 9. connecting grooves; 10. positioning blocks; 11. a positioning spring; 12. and (6) positioning a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the drilling reamer for deep hole processing in the present embodiment includes a first rod sleeve 1, a second rod sleeve 3 disposed below the first rod sleeve 1, a tool holder 7 disposed at a bottom end of the second rod sleeve 3, a finishing reamer 5 disposed on a surface of the tool holder 7 at an equal angle, a drill bit 6 disposed at a bottom end of the tool holder 7, and a mounting structure 4 disposed inside the second rod sleeve 3 at a top end of the tool holder 7.

Connecting groove 9 has been seted up to the inside one end of first rod cover 1 and second rod cover 3, and first rod cover 1 and second rod cover 3 one side equidistant locating hole 8 of having seted up, sliding connection has connecting rod 2 between the inside of connecting groove 9, and the constant head tank 12 has been seted up to the inside top of connecting rod 2 and one side of bottom, and positioning spring 11 is installed to the inside one side of constant head tank 12, and positioning spring 11 one side install with locating hole 8 matched with locating piece 10.

Referring to fig. 1 and 2, in the present embodiment, the connecting rod 2 is i-shaped, and a sliding structure is formed between the top end and the bottom end of the connecting rod 2 and the inside of the connecting groove 9.

It should be noted that, through the sliding of the i-shaped connecting rod 2 inside the connecting groove 9, the sliding adjustment among the first rod sleeve 1, the connecting rod 2 and the second rod sleeve 3 is more stable.

Referring to fig. 1 and 4, in the present embodiment, the mounting structure 4 includes a threaded groove 402, the threaded groove 402 is disposed at a middle position of the bottom end inside the second rod sleeve 3, a mounting groove 404 is disposed inside the second rod sleeve 3 on one side of the threaded groove 402, a mounting rod 405 is disposed inside the mounting groove 404, a mounting spring 406 is wound around one side of the surface of the mounting rod 405, a clamping rod 407 is disposed at one end of the mounting rod 405, a threaded seat 401 matched with the threaded groove 402 is disposed at the top end of the tool seat 7, and a clamping rod 407 matched with the clamping hole 403 is disposed at the top end of one side inside the threaded seat 401.

It should be noted that, by pulling the mounting rod 405, the clamping rod 407 moves and compresses the mounting spring 406 to completely separate from the clamping hole 403, and then the tool apron 7 is rotated to completely separate the threaded seat 401 from the threaded groove 402, and during installation, stable installation of the tool apron 7 is achieved by using the threaded fit between the threaded seat 401 and the threaded groove 402, and then under the elastic force action of the mounting spring 406, the clamping rod 407 moves to clamp the tool apron 403, so that the thread looseness, which occurs accidentally, between the threaded seat 401 and the threaded groove 402 in the use process is avoided, and further the tool apron 7 is quickly disassembled and installed.

Referring to fig. 1 and 4, in the present embodiment, the length of the locking rod 407 is smaller than the depth of the inside of the mounting groove 404, and a fastening structure is formed between the locking rod 407 and the inside of the locking hole 403.

It should be noted that, by providing the deeper mounting groove 404, the clamping rod 407 is ensured to have enough moving space, so that it can be completely separated from the clamping hole 403.

Referring to fig. 1 and 4, in the present embodiment, the tool holder 7 forms a threaded connection structure through the threaded seat 401 and the interior of the threaded groove 402, and the top end of the tool holder 7 is fixedly connected to the bottom end of the threaded seat 401.

The tool holder 7 is easily attached and detached by the screw engagement between the screw seat 401 and the screw groove 402.

Referring to fig. 1 and 3, in the present embodiment, the number of the finishing reamers 5 is five, and the finishing reamers 5 are spirally distributed on the surface of the holder 7.

It should be noted that, by providing five finishing reamers 5, the work of machining the workpiece is facilitated.

Referring to fig. 1, in the present embodiment, the drill 6 is in a twist shape, and the top end of the drill 6 and the bottom end of the tool holder 7 are welded together.

It should be noted that, by welding the top end of the drill 6 and the bottom end of the tool holder 7, the mechanical strength of the connection between the two is ensured, and the connection tightness is improved.

It can be understood that this drilling reamer for BTA can realize the regulation of length between first rod cover 1 and the second rod cover 3, satisfies the use under the different conditions, can carry out quick and stable installation to drill bit 6 and blade holder 7 simultaneously, avoids its damage to lead to the damage of whole drilling reamer.

The working principle of the above embodiment is as follows:

when the positioning device works, firstly, the drilling depth is adjusted according to the requirement, the positioning block 10 is pressed to slide in the positioning groove 12 to compress the positioning spring 11 until the positioning spring is completely separated from the positioning hole 8, then the first rod sleeve 1 or the second rod sleeve 3 is pulled to slide to a proper position relative to the connecting rod 2, and then the positioning block 10 is popped out and clamped in the corresponding positioning hole 8 through the elasticity of the positioning spring 11, so that the limiting fixation of the sliding connecting rod 2 is realized, the distance between the first rod sleeve 1 and the second rod sleeve 3 is convenient to adjust, and the practicability of the positioning block is improved;

meanwhile, when the finish reamer 5 and the drill bit 6 are worn to some extent and need to be maintained or damaged and need to be replaced, the mounting rod 405 can be pulled firstly, the clamping rod 407 moves to compress the mounting spring 406 to be completely separated from the clamping hole 403, then the tool apron 7 is rotated, and the thread seat 401 is completely separated from the thread groove 402, and during mounting, stable mounting of the tool apron 7 is realized by utilizing the thread fit of the thread seat 401 and the thread groove 402, and then the clamping rod 407 moves to be clamped into the clamping hole 403 under the elastic force action of the mounting spring 406, so that the thread looseness caused by the accident of the thread seat 401 and the thread groove 402 in the use process is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drilling reamer for BTA, includes first rod cover (1), its characterized in that: a second rod sleeve (3) is arranged below the first rod sleeve (1), a cutter holder (7) is arranged at the bottom end of the second rod sleeve (3), a finish reamer (5) is installed on the surface of the cutter holder (7) at an equal angle, a drill bit (6) is installed at the bottom end of the cutter holder (7), and an installation structure (4) is arranged inside the second rod sleeve (3) at the top end of the cutter holder (7);

spread groove (9) have been seted up to the inside one end of first rod cover (1) and second rod cover (3), and locating hole (8) have been seted up to equidistant first rod cover (1) and second rod cover (3) one side, sliding connection has connecting rod (2) between the inside of spread groove (9), and one side of the inside top of connecting rod (2) and bottom has seted up constant head tank (12), positioning spring (11) are installed to the inside one side of constant head tank (12), and positioning spring (11) one side install with locating hole (8) matched with locating piece (10).

2. The drilling reamer for deep hole processing according to claim 1, wherein: the connecting rod (2) is I-shaped, and a sliding structure is formed between the top end and the bottom end of the connecting rod (2) and the inside of the connecting groove (9).

3. The drilling reamer for deep hole processing according to claim 1, wherein: mounting structure (4) are including thread groove (402), intermediate position department at the inside bottom of second rod cover (3) is seted up in thread groove (402), and inside mounting groove (404) of having seted up in second rod cover (3) of thread groove (402) one side, the inside of mounting groove (404) is provided with installation pole (405), and the winding of one side on installation pole (405) surface has installation spring (406), kelly (407) are installed to the one end of installation pole (405), blade holder (7) top is installed and is had screw thread groove (402) matched with screw thread seat (401), and screw thread seat (401) inside one side top seted up with calorie hole (403) matched with kelly (407).

4. The drilling reamer for deep hole processing according to claim 3, wherein: the length of the clamping rod (407) is smaller than the depth of the interior of the mounting groove (404), and a clamping structure is formed between the clamping rod (407) and the interior of the clamping hole (403).

5. The drilling reamer for deep hole processing according to claim 3, wherein: the tool apron (7) is in a threaded connection structure through the threaded seat (401) and the threaded groove (402), and the top end of the tool apron (7) is fixedly connected with the bottom end of the threaded seat (401).

6. The drilling reamer for deep hole processing according to claim 1, wherein: the number of the finish reamers (5) is five, and the finish reamers (5) are distributed on the surface of the cutter holder (7) in a spiral shape.

7. The drilling reamer for deep hole processing according to claim 1, wherein: the drill bit (6) is in a twist shape, and the top end of the drill bit (6) and the bottom end of the tool apron (7) are in a welding integrated structure.